The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
1 */2 * * *
This cron command translates to the following (in Human-Readable format):
“Every 2 hours at 1 minutes past the hour.”
What is a Cron Job & Crontab?
A cron job is a time-based task that is set to run at a specific time or interval. These jobs are usually used for automating tasks, such as running backups or sending emails. Cron is the name of the program that enables users to schedule these jobs.
A crontab is a file that contains instructions for the cron daemon. The cron daemon is a program that runs in the background and executes tasks at specified times. A crontab file consists of a series of lines, each of which represents a task to be executed. Each line has five fields, separated by spaces or tabs.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 2 hours at 1 minutes past the hour“:
FUN FACT: Cron jobs are used to schedule commands or scripts to run automatically at a specified time and date..
You might want to set up a crontab or cron job to run every 2 hours at 1 minutes past the hour for several reasons, including:
- Automatically backing up a database
- Automatically sending out an email report
- Automatically checking for software updates
- Automatically refreshing statistics
Similar Cron Jobs
You might also want to run a crontab:
- every 1 hour
- every 9 hours
- every 3 hours
- every 4 hours
- every 8 hours
- every 2 hours
- every hour between 12:00 pm and 6:00 pm
- every hour between 7:00 am and 12:00 pm
FUN FACT: If a cron job is not properly configured, it might never execute – so make sure you double-check your settings before setting one up!.
In this article, you learned how to set up a cron job that runs every 2 hours at 1 minutes past the hour. Please share this page with friends and colleagues if you find it useful.
If you have any questions, please don’t hesitate to comment below.
If you are looking for cron jobs that run at certain minutes, hours, days, weekdays, or months, or if you are looking for miscellaneous cron jobs, then check out our relevant sections, or visit our cron job cheat sheet for a list of hundreds of popular cron jobs.